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1/////////////////////////////////////////////////////////////////////////////
2// Name: msw/mslu.cpp
3// Purpose: Fixes for bugs in MSLU
4// Author: Vaclav Slavik
5// Modified by:
6// Created: 2002/02/17
7// RCS-ID: $Id$
8// Copyright: (c) 2002 Vaclav Slavik
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation
14#endif
15
16// For compilers that support precompilation, includes "wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#include <dir.h>
22#endif
23
24#ifndef WX_PRECOMP
25 #include "wx/defs.h"
26#endif
27
28#if wxUSE_UNICODE_MSLU
29
30//------------------------------------------------------------------------
31//
32// NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
33// libc functions. Unfortunately, some of MSVCRT wchar_t functions
34// (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
35// by calling the char version. We still want to use wchar_t version on
36// NT/2000/XP, though, because they allow for Unicode file names.
37//
38// Moreover, there are bugs in unicows.dll, of course. We have to
39// workaround them, too.
40//
41//------------------------------------------------------------------------
42
43#include "wx/msw/private.h"
44#include "wx/msw/mslu.h"
45
46#include <stdio.h>
47#include <io.h>
48#include <sys/stat.h>
49
50#ifdef __VISUALC__
51 #include <direct.h>
52#endif
53
54// Undef redirection macros defined in wx/msw/mslu.h:
55#undef DrawStateW
56#undef GetOpenFileNameW
57#undef GetSaveFileNameW
58
59//------------------------------------------------------------------------
60// Wrongly implemented functions from unicows.dll
61//------------------------------------------------------------------------
62
63#if wxUSE_GUI
64
65WXDLLEXPORT int wxMSLU_DrawStateW(WXHDC dc, WXHBRUSH br, WXFARPROC outputFunc,
66 WXLPARAM lData, WXWPARAM wData,
67 int x, int y, int cx, int cy,
68 unsigned int flags)
69{
70 // VS: There's yet another bug in MSLU: DrawStateW behaves like if it was
71 // expecting char*, not wchar_t* input. We have to use DrawStateA
72 // explicitly.
73
74 if ( wxUsingUnicowsDll() )
75 {
76 return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
77 (LPARAM)(const char*)
78 wxConvLocal.cWX2MB((const wxChar*)lData),
79 wData, x, y, cx, cy, flags);
80 }
81 else
82 {
83 return DrawStateW((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
84 lData, wData, x, y, cx, cy, flags);
85 }
86}
87
88static void wxFixOPENFILENAME(LPOPENFILENAME ofn)
89{
90#ifdef OFN_EXPLORER
91 // VS: there's a bug in unicows.dll - when multiple files are selected,
92 // of.nFileOffset doesn't point to the first filename but rather to
93 // the last component of directory name. This bug is known to MSLU
94 // developers, but they are not going to fix it: "this is a true
95 // limitation, that we have decided to live with" and "working
96 // harder on this case just did not seem worth the effort"...
97 //
98 // Our only option is to try to fix it ourselves:
99
100 if ( (ofn->Flags & OFN_ALLOWMULTISELECT) &&
101 ofn->lpstrFile[ofn->nFileOffset-1] != wxT('\0') )
102 {
103 if ( wxDirExists(ofn->lpstrFile) )
104 {
105 // 1st component is dir => multiple files selected
106 ofn->nFileOffset = wxStrlen(ofn->lpstrFile)+1;
107 }
108 }
109#endif
110}
111
112WXDLLEXPORT int wxMSLU_GetOpenFileNameW(void *ofn)
113{
114 int ret = GetOpenFileName((LPOPENFILENAME)ofn);
115 if ( wxUsingUnicowsDll() && ret != 0 )
116 wxFixOPENFILENAME((LPOPENFILENAME)ofn);
117 return ret;
118}
119
120WXDLLEXPORT int wxMSLU_GetSaveFileNameW(void *ofn)
121{
122 int ret = GetSaveFileName((LPOPENFILENAME)ofn);
123 if ( wxUsingUnicowsDll() && ret != 0 )
124 wxFixOPENFILENAME((LPOPENFILENAME)ofn);
125 return ret;
126}
127
128#endif // wxUSE_GUI
129
130//------------------------------------------------------------------------
131// Missing libc file manipulation functions in Win9x
132//------------------------------------------------------------------------
133
134WXDLLEXPORT int wxMSLU__trename(const wxChar *oldname, const wxChar *newname)
135{
136 if ( wxUsingUnicowsDll() )
137 return rename(wxConvFile.cWX2MB(oldname), wxConvFile.cWX2MB(newname));
138 else
139 return _trename(oldname, newname);
140}
141
142WXDLLEXPORT int wxMSLU__tremove(const wxChar *name)
143{
144 if ( wxUsingUnicowsDll() )
145 return remove(wxConvFile.cWX2MB(name));
146 else
147 return _tremove(name);
148}
149
150#if defined( __VISUALC__ ) \
151 || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
152 || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
153 || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) )
154
155WXDLLEXPORT int wxMSLU__wopen(const wxChar *name, int flags, int mode)
156{
157 if ( wxUsingUnicowsDll() )
158#ifdef __BORLANDC__
159 return open(wxConvFile.cWX2MB(name), flags, mode);
160#else
161 return _open(wxConvFile.cWX2MB(name), flags, mode);
162#endif
163 else
164 return _wopen(name, flags, mode);
165}
166
167WXDLLEXPORT int wxMSLU__waccess(const wxChar *name, int mode)
168{
169 if ( wxUsingUnicowsDll() )
170 return _access(wxConvFile.cWX2MB(name), mode);
171 else
172 return _waccess(name, mode);
173}
174
175WXDLLEXPORT int wxMSLU__wmkdir(const wxChar *name)
176{
177 if ( wxUsingUnicowsDll() )
178 return _mkdir(wxConvFile.cWX2MB(name));
179 else
180 return _wmkdir(name);
181}
182
183WXDLLEXPORT int wxMSLU__wrmdir(const wxChar *name)
184{
185 if ( wxUsingUnicowsDll() )
186 return _rmdir(wxConvFile.cWX2MB(name));
187 else
188 return _wrmdir(name);
189}
190
191WXDLLEXPORT int wxMSLU__wstat(const wxChar *name, struct _stat *buffer)
192{
193 if ( wxUsingUnicowsDll() )
194 return _stat((const char*)wxConvFile.cWX2MB(name), buffer);
195 else
196 return _wstat(name, buffer);
197}
198
199#endif
200
201#endif // wxUSE_UNICODE_MSLU